content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.observers;
  
  import org.junit.Test;
  
  import io.reactivex.common.annotations.Nullable;
  
  public class BasicQueueDisposableTest {
  
      BasicQueueDisposable<Integer> q = new BasicQueueDisposable<Integer>() {
  
          @Override
          public boolean isDisposed() {
              return false;
          }
  
          @Override
          public void dispose() {
  
          }
  
          @Nullable
          @Override
          public Integer poll() throws Exception {
              return null;
          }
  
          @Override
          public boolean isEmpty() {
              return false;
          }
  
          @Override
          public void clear() {
  
          }
  
          @Override
          public int requestFusion(int mode) {
              return 0;
          }
      };
  
      @Test(expected = UnsupportedOperationException.class)
      public void offer() {
          q.offer(1);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void offer2() {
          q.offer(1, 2);
      }
  }
  